Shops in Venice, [ii. 65].

Sight, how opposed to thought, [iii. 39].

Simplicity of life in thirteenth century, [ii. 263].

Sin, how symbolized in Grotesque art, [iii. 141].

Slavery of Greeks and Egyptians, [ii. 158]; of English workmen, [ii. 162], [163].

Society, unhealthy state of, in modern times, [ii. 163].

Sorrow, how sinful, [ii. 325]; how symbolized, [ii. 347].

Soul, its development in art, [iii. 173], [188]; its connection with the body, [i. 41], [395].

Spandrils, structure of, [i. 146]; decoration of, [i. 297].

Spirals, architectural value of, [i. 222], [ii. 16].